Tentukan hasil |4-3x|=6
Persamaan Nilai Mutlak
Jika |ax+b|=c dan c≥0, maka:
1. ax+b = c
2. -(ax+b)= c
Jawab:
|4 – 3x| = 6
• 4 – 3x = 6
-3x = 6 – 4
-3x = 2
x = – 2/3
• –(4 – 3x) = 6
–4 + 3x = 6
3x = 6 + 4
3x = 10
x = 10/3
HP: {–2/3, 10/3}